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Mathematics 16 Online
OpenStudy (anonymous):

what is 2/3 / 3/10

OpenStudy (azureilai):

(2/3)*(10/3)

OpenStudy (anonymous):

3 1/10

OpenStudy (anonymous):

20/9 = 2 and 1/10

OpenStudy (anonymous):

2 or 3

OpenStudy (anonymous):

how did you do it

OpenStudy (azureilai):

9*2=18 so 9 goes into 20 two times It would be 2 2/9

OpenStudy (anonymous):

how 2/3 then divide 3/10

OpenStudy (azureilai):

When you divide a fraction by a fraction, It is the same as multiplying that fraction by the reciprocal. So\[\frac{ 2 }{ 3 }\times \frac{ 10}{ 3 }\] \[=\frac{ 20 }{ 9 } \] Or if you want a fraction with whole numbers, then it is \[2\frac{ 2 }{ 9 }\] To get that, there are two 9's that goes into twenty, and the remainder after you subtract 18 from 20 is 2. Therefore it is 2 and 2/9.

OpenStudy (anonymous):

ok ty

OpenStudy (anonymous):

what is 4and1/5-1and1/2

OpenStudy (azureilai):

are you multipling 4and1/5 times -1and 1/2?

OpenStudy (anonymous):

20+1/5-2+1/2

OpenStudy (anonymous):

42/10-15/10 is 27/10?

OpenStudy (azureilai):

Yes, and if you want to simplify it down, it become 2 7/10

OpenStudy (anonymous):

kk ty

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